30003 is data already decoded and in our tests we have seen a lot of decoders compromising our data quality so we don't allow aircraft that are past what the ADS-B spec defines for max range. For example that looks quite some distance away from your current location!

The "fix" for you is to switch to Beast Binary format on port 30005 from Dump1090. You will see extra information as well that you don't get from Dump1090 such as the auto pilot data.